<template>
  <div>
    <h2>当前求和为：{{ sum }}</h2>
    <h3>放大十倍后为:{{ bigSum }}</h3>
    <h3>我在{{ school }},学习{{ subject }}</h3>
    <h3 style="color: red">Person组件的总人数是:{{ personList.length }}</h3>
    <select v-model.number="n">
      <option value="1">1</option>
      <option value="2">2</option>
      <option value="3">3</option>
    </select>
    <button @click="increment(n)">+</button>
    <button @click="decrement(n)">-</button>
    <button @click="incrementOdd(n)">当前求和为奇数再加</button>
    <button @click="incrementWait(n)">等一等再加</button>
  </div>
</template>

<script>
import { mapState, mapGetters, mapActions, mapMutations } from "vuex";
export default {
  name: "Count",
  data() {
    return {
      n: 1,
    };
  },
  methods: {
    ...mapMutations({ increment: "JIA", decrement: "JIAN" }),
    ...mapActions({ incrementOdd: "jiaOdd", incrementWait: "jiaWait" }),
  },
  computed: {
    ...mapState({
      sum: "sum",
      school: "school",
      subject: "subject",
      personList: "personList",
    }),
    ...mapGetters(["bigSum"]),
  },
};
</script>

<style>
button {
  margin-left: 10px;
}
</style>